Then two shop workers tested positive for COVID-19, followed by two office employees.
"Everyone around them had to quarantine," Prencipe said, noting that the bulk of the plant’s workforce had to stay home for two weeks. "We’ve now made it our own policy that if you’re in the plant, you have to wear a mask at all times."
The small outbreak at the Ontario packaging plant illustrates how workplaces are emerging as a driving force in the second wave of the pandemic.
A growing number of infections can be traced back to workplaces, including in manufacturing, warehouse and shipping facilities, according to Ontario data on active outbreaks by setting.